Mithrandir Metrics
Pitcher projection 2026 Refreshed Jun 1 06:00 AM ET
Pitcher projection / SEA · 2026

Criswell, Cooper

Run-prevention profile built on workable command

Primary
17.3% K%
Range
14.2% to 23.5%
Live Δ
yes
Team SEA Archetype Offspeed mix artist Age 30 Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-06-01
ERA preseason4.17
ERA current pace3.33
ERA rolling p503.88
Observed weight34%
ERA
2.61 3.22 3.88 4.55 5.15
FIP
3.00 3.44 3.92 4.41 4.85
K%
15.1% 16.8% 18.6% 20.4% 22.0%
BB%
4.6% 5.6% 6.6% 7.6% 8.5%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-01
Pitching · percentile strip
BB%4.9%
95 +26 vs proj
Barrel allowed5.6%
77 +22 vs proj
Fastball velo91.0
8
Hard-hit allowed37.8%
59
K%20.3%
35 +19 vs proj
Whiff%20.2%
26 +18 vs proj
xwOBA allowed0.295
67 +18 vs proj
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.

2026-06-01
Mithrandir Stuff+106
84
Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

5Pitches 2026Season 27%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA allowed Criswell, Cooper · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.314 2026-05-17: 0.3022026-05-19: 0.3112026-05-21: 0.3112026-05-23: 0.3092026-05-24: 0.3092026-05-25: 0.3052026-05-26: 0.3052026-05-28: 0.3022026-05-29: 0.3022026-05-30: 0.3022026-05-31: 0.2982026-06-01: 0.295 2026-05-17 2026-06-01 xwOBA allowed MITHRANDIR · CHARTS
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Pitch Zone Profile Criswell, Cooper · Aggregate zone metrics; not pitch-by-pitch locations Edge: 40%40%Zone: 45%45%Whiff: 20%20%Called strike: 16%16%First pitch strike: 53%53%Hard hit allowed: 38%38% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Criswell, Cooper · 2026 arsenal snapshot Changeup: 27.0%Sinker: 24.9%Cutter: 24.1%Sweeper: 18.3%4-Seam Fastball: 5.8% MIX CH 27%SI 25%FC 24%ST 18%FF 6% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Criswell, Cooper · 2026 arsenal snapshot CH: HB -0.4, IVB 3.6CHSI: HB 0.2, IVB 3.1SIFC: HB 0.0, IVB 2.5FCST: HB -0.5, IVB 3.2STFF: HB 0.1, IVB 2.0FF horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
CH 27.3% 100 109 limited sample
SI 27.0% 99 107 limited sample
SL 19.1% 70 109 limited sample
FC 19.1% 70 99 limited sample
FB 7.4% 27 101 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Model read

Projection notes

1
templated note
Primary mix entering the season: Changeup 32%, Cutter 30%, Sinker 26%.
pitcher
Live context

Current-season signal

ERA Δ-0.85
K% Δ+0.031
Sample29.7 IP
Projection table

Point projection and range

MetricPointRangeHalf-width
Innings64.6----
Batters Faced286----
K%17.3%14.2% to 23.5%+/- 4.7%
BB%7.4%4.5% to 9.7%+/- 2.6%
Whiff%16.6%13.6% to 22.6%+/- 4.5%
HR/91.420.86 to 2.07+/- 0.60
xwOBA Against0.3140.264 to 0.346+/- 0.041
Barrel% Allowed7.4%4.7% to 9.8%+/- 2.6%
ERA4.182.43 to 5.85+/- 1.71
FIP4.533.08 to 5.57+/- 1.24
WHIP1.2921.042 to 1.597+/- 0.277
Platoon / Shape
vs LHH

347 career BF

xwOBA0.302
K%15.1%
BB%7.3%
Barrel5.6%
vs RHH

403 career BF

xwOBA0.297
K%16.1%
BB%5.6%
Barrel6.5%